6-61
–
+
ELEC
2
Connection of main harness
ECU coupler.
Check the locking condition of
the coupler.
Disconnect the coupler and
check the pins (bent or broken
terminals and locking condition
of the pins).
Defective connections
Re-
connect or replace the harness.
Turn the main switch to “ON”,
and then check the condition of
the fault code in diagnostic mode
of the Yamaha diagnostic tool.
Condition is Recovered
Go to
item 7 and finish the service.
Condition is Detected
Go to
item 3
3
Harness continuity
Open or short circuit
Replace
the harness.
Between ECU and engine tem-
perature sensor
In the case of P0198, check the
following:
Between the engine tempera-
ture sensor and the sensor
ground
Turn the main switch to “ON”,
and then check the condition of
the fault code in diagnostic mode
of the Yamaha diagnostic tool.
Condition is Recovered
Go to
item 7 and finish the service.
Condition is Detected
Go to
item 4.
4
Installed condition of engine
temperature sensor.
Check the installation part for
looseness, stuck places.
Check if the mounting position
is OK.
Turn the main switch to “ON”,
and then check the condition of
the fault code in diagnostic mode
of the Yamaha diagnostic tool.
Condition is Recovered
Go to
item 7 and finish the service.
Condition is Detected
Go to
item 5.
5
Faulty engine temperature sen-
sor.
Check in diagnostic mode (code
No. D11).
When engine is cold: Displays
the temperature close to the
ambient temperature.
An indicated value is out of the
specified range.
Replace the
engine temperature sensor.
Turn the main switch to “ON”,
and then check the condition of
the fault code in diagnostic
mode of the Yamaha diagnostic
tool.
Condition is Recovered
Go to
item 7 and finish the service.
Condition is Detected
Go to
item 6.
6
ECU malfunction
Replace the ECU.
Finish the service.
7
EG warning light, delete the
fault code.
Delete this fault code with the
status “Recovered” in the
Yamaha diagnostic tool.
Fault code No.
P0197/P0198
Symptoms
Open or short circuit in the engine temperature sensor
P0197 (ground fault) P0198 (open circuit/sky fault)
Diagnostic code No.
D11 (Engine temperature sensor)
NOTICE
Work when the machine to be repaired is completely cold
Item
Item and components and
probable cause
Actions
Confirmation procedure after
actions
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Страница 37: ...SPEC B9X F8197 E0 book Page 2 Thursday July 16 2020 2 28 PM ...
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Страница 120: ...ENG CHAPTER 5 ENGINE ENGINE REMOVAL 5 1 CRANKCASE 5 5 B9X F8197 E0 book Page 0 Thursday July 16 2020 2 28 PM ...
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Страница 128: ...5 7 ENG B9X F8197 E0 book Page 7 Thursday July 16 2020 2 28 PM ...
Страница 146: ...6 16 ELEC SIGNALING SYSTEM SIGNALING SYSTEM CIRCUIT DIAGRAM B9X F8197 E0 book Page 16 Thursday July 16 2020 2 28 PM ...
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Страница 238: ...TRBL SHTG B9X F8197 E0 book Page 2 Thursday July 16 2020 2 28 PM ...
Страница 243: ...7 5 TRBL SHTG TROUBLESHOOTING B9X F8197 E0 book Page 5 Thursday July 16 2020 2 28 PM ...
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